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                    FAN-PEDIA                                                                                                                                                                                                                                         PROPELLERS
                     Published by                                                                    AEROVENT.COM
                       Aerovent                                                                                                                                                                                      AIRFLOW/ROTATION OVERVIEW
                         ©2017


                        FIXED PITCH PROPELLERS - Cast/Fabricated  (AIRFLOW = PM)
                                                                                                                                                                                                                       AIRFLOW = PM (AIR THROUGH PROP THEN MOTOR)

                                              Airflow Direction                                                                                                                                                       Rotation is determined by viewing the propeller
                                                                                                                                                                                                                                   from the discharge side of the fan.
                                              Leading Edge of Blade
                              - Air is drawn through the propeller from the leading
                                  edge of the blades.                                                                                                                                                                                               Intake Side
                              - The concave side of the blade cups the air and
                                  pushes it away from the prop
                                                                                                                                                                                                                                 Airflow Direction
                                                                                                                                                                                                                                air passes through
                                                                                                                                                                                                                             Prop then over Motor
                                                                                                                                                                                                                                   (Airflow = PM)
                                                                                                                                                                                                                                 aka: Hub on Intake






                                                                                                                                                                                                                                                                                               Discharge
                                                                                                                         RH Rotation








                                                                                                                                                                                                                         Intake



                                                                                                                                                                                                                                                   RH Rotation
               NOTE 1: Airflow direction and rotation must be correct in order for
                                the fan to operate at 100% performance.


               NOTE 2: If the propeller rotates in the wrong direction, you will not
                                get any airflow at all in the proper direction.
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